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ChemSpider
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Structure
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Molecular Formula:
Define range intervals using parentheses.
E.g. C7H(10-14)O(0-4)
Molecular Weight:
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(example: 123 ± 1)
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Nominal Mass:
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-2H+
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+H+
+2H+
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Average Mass:
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M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
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Monoisotopic Mass:
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M+CH3CNH
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M+.
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M+Na
M+NH4
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M-.
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Found 36 results
Search term:
MF = 'C_{4}H_{3}NO_{2}'
1
2
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
10471
zoom
C
4
H
3
NO
2
97.0721
159
880
3215
1114
14071820
zoom
C
4
H
3
NO
2
97.0721
116
61
1
0
10740976
zoom
C
4
H
3
NO
2
97.0721
99
47
0
5
10004019
zoom
C
4
H
3
NO
2
97.0721
96
54
0
0
13354764
zoom
C
4
H
3
NO
2
97.0721
90
44
1
3
10559258
zoom
C
4
H
3
NO
2
97.0721
63
43
0
0
10484622
zoom
C
4
H
3
NO
2
97.0721
60
37
0
0
25579
zoom
C
4
H
3
NO
2
97.0721
43
125
36
273
10687730
zoom
C
4
H
3
NO
2
97.0721
14
15
0
0
1363114
zoom
C
4
H
3
NO
2
97.0721
11
8
0
0
10651164
zoom
C
4
H
3
NO
2
97.0721
10
13
0
0
11663644
zoom
C
4
H
3
NO
2
97.0721
8
9
0
0
13436839
zoom
C
4
H
3
NO
2
97.0721
8
5
0
0
57437407
zoom
C
4
H
3
NO
2
97.0721
7
8
0
0
13429265
zoom
C
4
H
3
NO
2
97.0721
6
8
0
0
11250232
zoom
C
4
H
3
NO
2
97.0721
5
6
0
0
57470021
zoom
C
4
H
3
NO
2
97.0721
3
3
0
0
57470035
zoom
C
4
H
3
NO
2
97.0721
3
3
0
0
57498679
zoom
C
4
H
3
NO
2
97.0721
3
3
0
0
8117736
zoom
C
4
H
3
NO
2
97.0721
3
2
0
0
1
2
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